colortest.java

来自「J2ME手机游戏开发技术详解随书光盘」· Java 代码 · 共 25 行

import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
public class ColorTest extends MIDlet {
    private Display display;
    private TextBox textBox;
    public ColorTest() {
    display = Display.getDisplay(this);
    }
    protected void startApp() {
    System.out.println("设备支持彩色与否:"+display.isColor());	
    System.out.println("设备支持的颜色数量:"+display.numColors());
    System.out.println("系统背景色:"+display.getColor(Display.COLOR_BACKGROUND));
    System.out.println("系统边线色:"+display.getColor(Display.COLOR_BORDER));
    System.out.println("系统前景色:"+display.getColor(Display.COLOR_FOREGROUND));
    System.out.println("高亮度系统背景色:"+display.getColor(Display.COLOR_HIGHLIGHTED_BACKGROUND));
    System.out.println("高亮度系统边线色:"+display.getColor(Display.COLOR_HIGHLIGHTED_BORDER));
    System.out.println("高亮度前景色:"+display.getColor(Display.COLOR_HIGHLIGHTED_FOREGROUND));
    System.out.println("Alpha通道数量:"+display.numAlphaLevels());
    }
    protected void destroyApp(boolean unconditional) {
    }
    protected void pauseApp() {
    }
}